Science Topics term usage 2009-12-29

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

710	earthquakes
316	volcanoes
310	earthquake occurrences
147	maps and atlases
84	real-time monitoring and reporting
76	streamflow
62	map interfaces
61	mineral resources
61	topographic maps
57	climate change
53	floods
51	energy resources
50	remote sensing
47	geologic maps
46	ground water
45	water quality
43	geospatial analysis
33	earthquake probabilities
33	contamination and pollution
28	surface water (non-marine)
28	invasive species
27	seismology
26	droughts
24	avian influenza
22	environmental health (human)
15	hazards
15	oil resources
14	fires
13	health and disease
13	volcanic eruption prediction
11	land use and land cover
11	volcanic activity
9	ground-water flow
9	acid deposition
9	snow and ice cover
9	aquatic ecosystems
9	coal resources
9	geochemistry
9	wildlife population management
8	rocks and deposits

Science Topics term usage Tuesday, 2009-12-29